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Re: [Full-disclosure] sshd logins without a source
- To: full-disclosure@xxxxxxxxxxxxxxxxx, lists@xxxxxxxxxxx
- Subject: Re: [Full-disclosure] sshd logins without a source
- From: paul.szabo@xxxxxxxxxxxxx
- Date: Fri, 23 Sep 2011 19:42:52 +1000
> ... I can see in each servers sshd logs an entry like the following:
> Sep 22 12:57:14 test-vm sshd[25002]: pam_unix(sshd:session): session opened
> for user root by (uid=0)
> Sep 22 12:57:32 test-vm sshd[25002]: pam_unix(sshd:session): session closed
> for user root
> ... seems odd that there is no IP address corresponding with the
> login, I can't seem to reproduce that on my test servers.
I do not think that sshd normally logs its source. What do you mean that
you cannot reproduce? - To produce the desired log, I added to
/etc/hosts.allow the line
sshd : all : spawn /usr/bin/logger -t"%d[%p]" "Connection source %h port %r"
Cheers, Paul
Paul Szabo psz@xxxxxxxxxxxxxxxxx http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of Sydney Australia
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